add tesfay20Md

[Tesfay20]

Checklists

General Checks

• [x] the branch is up to date with main/master
• [x] the code works when pulled and run locally
• [x] All CI checks pass
• [x] all conflicts are resolved (if any)
• [x] PR has a descriptive title
• [x] PR has appropriate labels and milestones for easy identification
• [x] PR it is assigned to the owner
• [x] reviewers are assigned
• [x] the PR contributes only one focused change
• [x] It is in the appropriate column in the project board (if necessary)
• [x] has short and clear description
• [x] is linked to an issue (if it is related)
• [x] feedback is addressed (if any and if it is appropriate feedback.)

Markdown

• [x] the markdown source is formatted
• [x] spelling and grammar is correct in all text
• [x] The markdown looks correct when you preview the file
• [x] all links and images work
• [x] any embedded code snippets are formatted